package rocket.demo.sync;

import org.apache.rocketmq.client.consumer.DefaultMQPushConsumer;
import org.apache.rocketmq.client.consumer.listener.ConsumeConcurrentlyContext;
import org.apache.rocketmq.client.consumer.listener.ConsumeConcurrentlyStatus;
import org.apache.rocketmq.client.consumer.listener.MessageListenerConcurrently;
import org.apache.rocketmq.client.exception.MQClientException;
import org.apache.rocketmq.common.consumer.ConsumeFromWhere;
import org.apache.rocketmq.common.message.MessageExt;

import java.util.List;

public class ConsumerDemo {
  public static void main(String[] args) throws InterruptedException, MQClientException {
    DefaultMQPushConsumer consumer = new DefaultMQPushConsumer("CID_JODIE_1");
    consumer.setNamesrvAddr("localhost:9876");
    consumer.subscribe("test001", "*");
    consumer.setConsumeFromWhere(ConsumeFromWhere.CONSUME_FROM_FIRST_OFFSET);
    //wrong time format 2017_0422_221800
    consumer.setConsumeTimestamp("20181109221800");
    consumer.registerMessageListener(new MessageListenerConcurrently() {
      
      @Override
      public ConsumeConcurrentlyStatus consumeMessage(List<MessageExt> msgs, ConsumeConcurrentlyContext context) {
        System.out.printf("%s Receive New Messages: %s %n", Thread.currentThread().getName(), msgs);
        return ConsumeConcurrentlyStatus.CONSUME_SUCCESS;
      }
    });
    consumer.start();
    System.out.printf("Consumer Started.%n");
  }
}
